ANATOMY

Detailed explanation-1: -Arteries and arterioles have relatively thick muscular walls because blood pressure in them is high and because they must adjust their diameter to maintain blood pressure and to control blood flow.

Detailed explanation-2: -Arteries have thick walls with muscle tissue. Veins have thinner walls and use valves to keep your blood flowing. Artery vs Capillary. Arteries carry blood from your heart to your organs.

Detailed explanation-3: -Arteries have thick elastic walls and veins have valves.

Detailed explanation-4: -Arteries have thicker wall as compared to arteriole and veins.

Detailed explanation-5: -Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.